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Low Pressure Manual Stainless Steel Diaphragm Valve 1/4in 150psi For Nitrogen Oxygen Helium

Categories Stainless Steel Diaphragm Valve
Brand Name: AFK
Model Number: DV
Certification: CE
Place of Origin: China
MOQ: 1
Price: Negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 5000pcs
Packaging Details: Special packaging
Type: Diaphragm Valve
Application: General
Temperature of Media: Normal Temperature
Power: Manual
Media: Gas
Port Size: 1/4
Structure: Diaphragm
Product name: Low Pressure Manual Diaphragm Valve
Body material: SS316
Material: Stainless Steel
Connection: Ferrule connection
Pressure: 150psi
MOQ: 1 Pcs
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Low Pressure Manual Stainless Steel Diaphragm Valve 1/4in 150psi For Nitrogen Oxygen Helium


Product Description of Low Pressure Manual Diaphragm Valve


Features

1. Metal-to-metal seal for leak-free service in the vacuum to high pressure range

2. Small internal volume for complete purging of the flow path

3. Fully encapsulated valve seat design for greater durability and corrosion resistance

4. Nickel-cobalt alloy diaphragm for greater durability and corrosion resistance

5. Standard roughness of Ra0.25μm (BA grade) or electrolytic polished Ra0.13μm (EP grade) available

6. Leakage rate <1 x 10-9 std cm3/s in helium test

7. Pneumatic actuators available

8. Pneumatic valve life up to 3 million cycles


Specification of Low Pressure Manual Diaphragm Valve


Serial numberelementtexture of material
1HandleAluminium
2ActuatorsAluminium
3Valve stem304 SS
4BonnetS17400
5Bonnet nuts304 SS
6Buttons304 SS
7Diaphragm (2)Nickel-cobalt alloys
8Valve seatPCTFE or PFA
9Valve body316L SS or 316L VAR 316L VIM-VAR

Technical data
Port size1/4", 3/8"
Flow coefficient (Cv)0.27
Inner diameter0.16 in. (4.1 mm)
Maximum working pressure10 bar (150 psig)
Pneumatic actuator working pressure4.2~6.2 bar (60~90 psig)
Operating temperature

PCTFE:-23~65℃(-10~150℉)

PFA:-23~150℃(-10~302℉)

Leakage rate (helium)≤1×10 mbar l/s
≤1×10 mbar l/s

Flow data

Air @ 21°C (70°F) 10.2

Water @ 16°C (60°F)

Pressure drop to atmospheric pressure bar (psig )Air (l/min)Water (l/min)
0.68 (10)863.2
3.4 (50)2307.2
6.8 (100)41010.2

Cleaning process


Standard (WK-BA)

Welded joints are cleaned according to our standard cleaning and packaging specifications, to be ordered without the addition of a suffix


Cleaning for oxygen (WK - O2)

Product cleaning and packaging specifications for use in oxygen environments are available, and this meets ASTM G93 Class C cleanliness requirements; to order, add -O2 to the ordering number


Ultra High Purity (WK-EP)

Available in controlled surface finish, electrolytically polished Ra 0.13μm, ultrasonically cleaned in deionised water. To order, add - EP to the order number

Basic Order NumberPort types and sizesDimensions in.(mm)
ABCL
WV4-6L-TW4-1/4" Tube butt weld fittings0.44 (11.2)0.30 (7.6)1.06 (26.9)1.74 (44.2)
WV4-6L-TW6-3/8" Tube butt weld fittings0.44 (11.2)0.26 (6.6)1.06 (26.9)1.74 (44.2)
WV4-6L-FR4-1/4" female thread MCR fitting0.44 (11.2)0.86 (21.8)1.06 (26.9)2.78 (70.6)
WV4-6L-MR4-1/4" integral male MCR fitting0.44 (11.2)0.62 (15.7)1.06 (26.9)2.24 (57.0)

Packing & Delivery



FAQ


1. who are we?
We are based in Guangdong, China, start from 2011,sell to Southeast Asia(20.00%),Africa(20.00%),Eastern Asia(10.00%),Mid East(10.00%),Domestic Market(5.00%),South Asia(5.00%),Northern Europe(5.00%),Central America(5.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),North America(5.00%). There are total about 51-100 people in our office.


2.How do I order?

You can order it from Alibaba directly or send us a inquiry. We will reply you within 24 hours


3.Do you have any certificates?

We have CE certificate.


4. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;


5.what can you buy from us?
pressure regulator,Tube fittings,solenoid valve,Needle valve,check valve


6. why should you buy from us not from other suppliers?
We have a couple of years with professional engineers and dedicated technicians.can provide security products for you


7. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Western Union;
Language Spoken:English,Chinese


Quality Low Pressure Manual Stainless Steel Diaphragm Valve 1/4in 150psi For Nitrogen Oxygen Helium for sale
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